Founding Engineer

Role Summary

Hiring a full-stack/founding engineers to join our team and focused on product engineering and shipping new features

Responsibilities

THINGS YOU'LL BE WORKING ON

Architecting and implementing full-stack product features in Typescript/React/Node is the core of what you’ll be doing. Real examples include —

Platform

• Building sandbox infrastructure for our agents (managing secrets, proxies, and compute)
• Building an eval framework for our models
• Launching an analytics platform on ClickHouse/MSK that consumes millions of events per day
• Building an agentic workflow orchestration architecture
• Building a public API for Replo/Slack bots
• Overhauling our billing system to support arbitrary usage-based billing

Programs

• Enabling customers to buy domains directly through Replo
• Building agent-driven insight reporting for businesses
• Building a full product-customizer UI for custom print-on-demand products

Requirements

LOOKING FOR SOMEONE WHO

• Can be in office 4-5 days/week in San Francisco
• Is proficient in Typescript/React/Node
• Uses Cursor/Claude Code to accelerate their work
• Has built products 0 -> 1 with real users and revenue
• Is OK operating independently without product/design
• Is ALWAYS SHIPPING. We don't spend weeks planning features at Replo
• Has a product and customer-focused mindset
• Has experience being burned by deployment and maintenance issues. If you have a a strong opinion on how products should be built, that’s good
• Values writing clean, maintainable software, including documentation (e.g. the code needs to be correct and run fast, but we’re the ones that have to read it and understand it)
• Is comfortable with ambiguity and defining software architecture patterns to solve customer pain points

BONUS POINTS IF YOU

• Have a CS degree or formal computer science/STEM backend
• Have started a company before
• Enjoy attending hackathons
• Worked at an early-stage (Series A or earlier) startup previously
• Have not wasted hours interview-prepping on Leetcode
• Have an eye for visual design (or past experience in product design, Figma, etc).